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Abstract

Evaluating phenotypic diversity makes it possible to identify discrepancies in aptitudes among animals of different genetic bases, which is an indicator of adaptive or selective differences between populations. The objective of this work was to evaluate the morphofunctional diversity of 452 male...

Author(s)
Rezende, M. P. G. de; Souza, J. C. de; Carneiro, P. L. S.; Bozzi, R.; Jardim, R. J. D.; Malhado, C. H. M.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Tropical Animal Health and Production, 2018, 50, 5, pp 1033-1040
Abstract

Genetic diversity is one of the most important issues in studies on conservation of cattle breeds and endangered species. The objective of this study was to estimate the levels of genetic differentiation between locally adapted taurine (Bos taurus taurus) and zebu (Bos taurus indicus) breeds in...

Author(s)
Campos, B. M.; Carmo, A. S. do; Egito, A. A. do; Mariante, A. S. da; Albuquerque, M. S. M. do; Gouveia, J. J. S. de; Malhado, C. H. M.; Verardo, L. L.; Silva, M. V. G. B. da; Carneiro, P. L. S.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2017, 49, 8, pp 1677-1684
Abstract

Vaccine abscesses are key factors to condemn beef cattle carcasses. Often, economic losses can compromise the profitability of both slaughter house and rural producer. This study aimed to quantify the losses in beef production by carcass parts damnation due to vaccine reactions. The study was...

Author(s)
Lusa, A. C. G.; Rezende, M. P. G. de; Souza, J. C. de; Malhado, C. H. M.
Publisher
Departmento da Producao Animal, Secretaria da Agricultura, Industria e Comercio, Sao Paulo, Brazil
Citation
Boletim de Indústria Animal, 2016, 73, 2, pp 165-170
Abstract

The objective of this work was to verify the presence of genotype-environment interactions (GEI) on the weight adjusted to 365 days of age (W365) for Tabapua cattle in the Northeast of Brazil, using reaction norm (RN) models. The reaction norm model with homogeneous residual variance and 1-step...

Author(s)
Souza, L. de A.; Malhado, C. H. M.; Braccini Neto, J.; Martins Filho, R.; Carneiro, P. L. S.
Publisher
Universidade Federal Rural do Semi-Árido, Rio Grande do Norte, Brazil
Citation
Revista Caatinga, 2016, 29, 1, pp 206-215
Abstract

We evaluated the population genetic structure of the Holstein breed in Brazil through pedigree analysis with the aim of supporting genetic management of extant herds. We used data from genealogical records of 204,511 animals in farms from south and southeast Brazil. Pedigree records between 1943...

Author(s)
Silva, M. H. M. A. da; Malhado, C. H. M.; Costa, J. L., Jr.; Cobuci, J. A.; Costa, C. N.; Carneiro, P. L. S.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2016, 48, 2, pp 331-336
Abstract

The objective was to compare models by Bayes factor (BF) to estimate the (co)variance components, genetic parameters and genetic values for the adjusted weights at 205 (W205), 365 (W365) and 550 (W550) days of age in Tabapuã animals reared on pasture in the Brazilian Northeast. Information about...

Author(s)
Oliveira, A. P. de; Malhado, C. H. M.; Barbosa, L. T.; Martins Filho, R.; Carneiro, P. L. S.
Publisher
Universidade Federal Rural do Semi-Árido, Rio Grande do Norte, Brazil
Citation
Revista Caatinga, 2015, 28, 4, pp 227-234
Abstract

This study investigated the presence of genotype-environment interaction (GEI) for body weight adjusted to 205 days of age (W205) in Polled Nellore cattle raised in north-eastern Brazil using reaction norm (RN) models. The reaction norm hierarchical models (RNHM) included the fixed (linear and...

Author(s)
Ambrosini, D. P.; Malhado, C. H. M.; Braccini Neto, J.; Martins Filho, R.; Affonso, P. R. A. de M.; Carneiro, P. L. S.
Publisher
Leibniz Institute for Farm Animal Biology, Dummerstorf, Germany
Citation
Archiv Tierzucht, 2014, 57, 32, pp 1-11
Abstract

Female reproductive performance is fundamental for the economic viability of beef cattle production system. Studies of genetic parameters and trends serve as subsidy to the selection process, guiding actions for the breeding programs. The objective of this study was to evaluate parameters, genetic...

Author(s)
Silva, T. de L.; Fonseca, W. J. L.; Santos, M. R. A.; Souza, A. C. S. de; Rezende, M. P. G.; Carneiro, P. L. S.; Martins Filho, R.; Malhado, C. H. M.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2018, 30, 8, pp Article 146
AbstractFull Text

Author(s)
Amaral, R. dos S.; Carneiro, P. L. S.; Martins Filho, R.; Ambrosini, D. P.; Malhado, C. H. M.
Publisher
Escola de Medicina Veterinária, Universidade Federal da Bahia, Bahia, Brazil
Citation
Revista Brasileira de Saude e Producao Animal, 2014, 15, 2, pp 261-271
AbstractFull Text

The main objective of this study was to apply three-mode principal component analysis to assess the triple interaction (genotype × location × feeding) on direct genetic value for weight at 205 days of age. We used 60 sires with offspring in three regions of northeastern Brazil (Maranhão, Mata and...

Author(s)
Franco, I. L.; Malhado, C. H. M.; Carneiro, P. L. S.; Martins Filho, R.; Pereira, D. G.; Dias, C. T. dos S.
Publisher
Centro de Ciências Rurais, Universidade Federal de Santa Maria, Santa Maria, Brazil
Citation
Ciência Rural, 2012, 42, 12, pp 2252-2258

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